12 Days of Christmas
107th
Abundant Numbers
175th
Abundant Numbers (Long)
176th
Arabic to Roman
117th
Arithmetic Numbers
27th
Arrows
317th
Ascending Primes
158th
ASCII Table
163rd
Billiards
43rd
brainfuck
168th
Card Number Validation
106th
Catalan Numbers
102nd
Christmas Trees
144th
Collatz
12th
CSS Colors
134th
Cubes
273rd
Day of Week
1st
Diamonds
185th
Divisors
1st
Emirp Numbers
127th
Emirp Numbers (Long)
192nd
Evil Numbers
270th
Evil Numbers (Long)
197th
Factorial Factorisation
131st
Farey Sequence
68th
Fibonacci
211th
Fizz Buzz
83rd
Foo Fizz Buzz Bar
1st
Fractions
1st
Gijswijt’s Sequence
87th
Happy Numbers
1st
Happy Numbers (Long)
165th
Intersection
144th
Inventory Sequence
61st
Leap Years
161st
Levenshtein Distance
69th
Leyland Numbers
161st
ln 2
1st
Look and Say
253rd
Mandelbrot
91st
Niven Numbers
93rd
Niven Numbers (Long)
160th
Number Spiral
216th
Odious Numbers
139th
Odious Numbers (Long)
125th
Ordinal Numbers
140th
Partition Numbers
88th
Pascal’s Triangle
196th
Pernicious Numbers
124th
Pernicious Numbers (Long)
42nd
Prime Numbers
70th
Prime Numbers (Long)
1st
Recamán
168th
Scrambled Sort
72nd
Set
96th
Sierpiński Triangle
67th
Smith Numbers
185th
Tic-tac-toe
131st
Tongue-twisters
86th
Topological Sort
70th
Transpose Sentence
156th
United States
223rd
Van Eck Sequence
86th
Zeckendorf Representation
93rd
π
235th
τ
176th
φ
155th
√2
1st
𝑒
1st